Python selenium.webdriver.common.keys.Keys 模块，RIGHT 实例源码

def press_key(element, key):
    """Press a given key in the element.
    Parameters:
    element : element
    key : value
    """
    step_message = 'Press key: {}'.format(key)
    execution.logger.info(step_message)
    _capture_or_add_step(step_message, execution.settings['screenshot_on_step'])
    webelement = get_browser().find(element)
    if key == 'RETURN' or key == 'ENTER':
        webelement.send_keys(Keys.RETURN)
    elif key == 'UP':
        webelement.send_keys(Keys.UP)
    elif key == 'DOWN':
        webelement.send_keys(Keys.DOWN)
    elif key == 'LEFT':
        webelement.send_keys(Keys.LEFT)
    elif key == 'RIGHT':
        webelement.send_keys(Keys.RIGHT)
    else:
        raise Exception('Key value {} is invalid'.format(key))